:root{--g:#31c27c;--g2:#0bc5a0;--gb:linear-gradient(135deg,#31c27c,#0bc5a0);--bg:#0b1220;--bg2:#0f1b2e;--card:#ffffff;--ink:#0f172a;--ink2:#475569;--mut:#94a3b8;--line:#e2e8f0;--rad:18px;--sh:0 20px 50px rgba(15,23,42,.12);--sh2:0 10px 30px rgba(15,23,42,.08)}*{margin:0;padding:0;box-sizing:border-box}html{scroll-behavior:smooth}body{font-family:"PingFang SC","Microsoft YaHei","Hiragino Sans GB",-apple-system,BlinkMacSystemFont,"Segoe UI",Roboto,Arial,sans-serif;color:var(--ink);background:#fff;line-height:1.7;-webkit-font-smoothing:antialiased}img{max-width:100%;display:block}a{text-decoration:none;color:inherit}ul{list-style:none}button{font-family:inherit;cursor:pointer;border:none;background:none}.container{width:100%;max-width:1200px;margin:0 auto;padding:0 24px}.sec{padding:88px 0}.sec-tag{display:inline-block;font-size:13px;font-weight:700;letter-spacing:1px;color:var(--g);background:rgba(49,194,124,.1);padding:6px 14px;border-radius:999px;margin-bottom:16px}.sec-title{font-size:38px;font-weight:800;line-height:1.25;letter-spacing:-.5px}.sec-sub{color:var(--ink2);font-size:17px;margin-top:14px;max-width:640px}.center{text-align:center}.center .sec-sub{margin-left:auto;margin-right:auto}.btn{display:inline-flex;align-items:center;justify-content:center;gap:8px;font-weight:700;font-size:15px;padding:14px 28px;border-radius:14px;transition:.25s;white-space:nowrap}.btn-ghost{color:var(--ink);border:1.5px solid var(--line);background:#fff}.btn-ghost:hover{border-color:var(--g);color:var(--g)}.btn-grad{color:#fff;background:var(--gb);box-shadow:0 10px 24px rgba(49,194,124,.35)}.btn-grad:hover{transform:translateY(-2px);box-shadow:0 16px 32px rgba(49,194,124,.45)}.btn-lg{padding:16px 34px;font-size:16px}.btn-sm{padding:10px 20px;font-size:14px;border-radius:10px}.btn-dark{color:#fff;background:var(--ink)}.btn-dark:hover{opacity:.88}
.header{position:fixed;top:0;left:0;right:0;z-index:1000;transition:.3s;padding:0 24px}.header .bar{max-width:1200px;margin:0 auto;display:flex;align-items:center;justify-content:space-between;height:72px}.header.scrolled{background:rgba(10,16,30,.88);backdrop-filter:blur(14px);box-shadow:0 8px 30px rgba(0,0,0,.18)}.logo{display:flex;align-items:center;gap:10px;font-weight:800;font-size:20px;color:#fff}.logo img{width:36px;height:36px;border-radius:8px}.nav{display:flex;align-items:center;gap:6px}.nav>li{position:relative}.nav>li>a,.nav>li>.nav-a{display:flex;align-items:center;gap:6px;color:rgba(255,255,255,.85);font-size:15px;font-weight:600;padding:10px 14px;border-radius:10px;transition:.2s}.nav>li>a:hover,.nav>li>.nav-a:hover{color:#fff;background:rgba(255,255,255,.08)}.nav .arrow{transition:.3s;font-size:11px}.nav>li:hover .arrow{transform:rotate(180deg)}.drop{position:absolute;top:100%;left:0;min-width:210px;background:#fff;border-radius:14px;box-shadow:var(--sh);padding:10px;opacity:0;visibility:hidden;transform:translateY(12px);transition:.25s}.nav>li:hover .drop{opacity:1;visibility:visible;transform:translateY(4px)}.drop a{display:block;color:var(--ink2);font-size:14px;font-weight:500;padding:9px 14px;border-radius:9px;transition:.18s}.drop a:hover{color:var(--g);background:rgba(49,194,124,.08)}.header-actions{display:flex;align-items:center;gap:12px}.header-actions .btn-ghost{color:#fff;border-color:rgba(255,255,255,.4);background:transparent}.header-actions .btn-ghost:hover{border-color:#fff;color:#fff}.burger{display:none;flex-direction:column;gap:5px;padding:8px}.burger span{width:24px;height:2px;background:#fff;border-radius:2px;transition:.3s}
.hero{position:relative;background:radial-gradient(1200px 600px at 80% -10%,rgba(49,194,124,.28),transparent 60%),radial-gradient(900px 500px at 0% 110%,rgba(11,197,160,.25),transparent 55%),linear-gradient(160deg,#0b1220,#101d33);color:#fff;padding:160px 0 90px;overflow:hidden}.hero .container{display:grid;grid-template-columns:1.05fr .95fr;gap:56px;align-items:center}.hero h1{font-size:52px;font-weight:800;line-height:1.18;letter-spacing:-1px}.hero h1 .hl{background:var(--gb);-webkit-background-clip:text;background-clip:text;color:transparent}.hero .slogan{font-size:19px;color:rgba(255,255,255,.75);margin:22px 0 30px;max-width:520px}.hero-cta{display:flex;gap:16px;flex-wrap:wrap}.hero-stats{display:flex;gap:34px;margin-top:44px;flex-wrap:wrap}.hero-stats .st b{font-size:30px;font-weight:800;display:block;background:var(--gb);-webkit-background-clip:text;background-clip:text;color:transparent}.hero-stats .st span{font-size:14px;color:rgba(255,255,255,.65)}.mock{background:rgba(255,255,255,.06);border:1px solid rgba(255,255,255,.14);border-radius:22px;padding:22px;backdrop-filter:blur(10px);box-shadow:0 30px 80px rgba(0,0,0,.35)}.mock-head{display:flex;align-items:center;gap:8px;margin-bottom:16px}.mock-head i{width:11px;height:11px;border-radius:50%;display:block}.mock-player{background:rgba(10,16,30,.55);border-radius:16px;padding:18px;text-align:center}.mock-cover{width:120px;height:120px;margin:0 auto;border-radius:14px;background:var(--gb);display:flex;align-items:center;justify-content:center;font-size:44px}.mock-title{font-weight:700;font-size:17px;margin-top:14px}.mock-artist{color:rgba(255,255,255,.6);font-size:13px}.mock-bar{height:6px;background:rgba(255,255,255,.18);border-radius:6px;margin:18px 0 8px;position:relative}.mock-bar .fill{position:absolute;left:0;top:0;bottom:0;width:62%;background:var(--gb);border-radius:6px;transition:width .2s}.mock-time{display:flex;justify-content:space-between;font-size:12px;color:rgba(255,255,255,.55)}.mock-ctrl{display:flex;justify-content:center;gap:16px;margin-top:16px}.mock-ctrl button{width:46px;height:46px;border-radius:50%;background:rgba(255,255,255,.1);color:#fff;font-size:18px;transition:.2s}.mock-ctrl button:hover{background:var(--g)}.mock-ctrl .play{width:56px;height:56px;background:var(--gb);font-size:20px}.mock-list{margin-top:16px}.mock-list li{display:flex;align-items:center;justify-content:space-between;padding:10px 12px;border-radius:10px;background:rgba(255,255,255,.05);margin-bottom:8px;font-size:13px;cursor:pointer;transition:.2s}.mock-list li.active{background:rgba(49,194,124,.18)}.mock-list li .t{color:#fff;font-weight:600}.mock-list li .d{color:rgba(255,255,255,.5)}
.steps-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.step{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:30px;transition:.25s;position:relative}.step:hover{transform:translateY(-6px);box-shadow:var(--sh)}.step .num{font-size:46px;font-weight:800;color:rgba(49,194,124,.18);line-height:1}.step .ic{width:52px;height:52px;border-radius:14px;background:rgba(49,194,124,.1);display:flex;align-items:center;justify-content:center;font-size:24px;margin:14px 0}.step h3{font-size:20px;font-weight:700}.step p{color:var(--ink2);font-size:15px;margin-top:8px}
.feat-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.feat{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:30px;transition:.25s}.feat:hover{transform:translateY(-6px);box-shadow:var(--sh);border-color:rgba(49,194,124,.4)}.feat .ic{width:54px;height:54px;border-radius:14px;background:var(--gb);color:#fff;display:flex;align-items:center;justify-content:center;font-size:25px;margin-bottom:18px}.feat h3{font-size:19px;font-weight:700;margin-bottom:10px}.feat p{color:var(--ink2);font-size:15px}
.dark-sec{background:linear-gradient(160deg,#0b1220,#0f1b2e);color:#fff}.dark-sec .sec-sub{color:rgba(255,255,255,.65)}.perf-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:44px}.perf{border:1px solid rgba(255,255,255,.1);border-radius:var(--rad);padding:26px;text-align:center}.perf b{font-size:34px;font-weight:800;background:var(--gb);-webkit-background-clip:text;background-clip:text;color:transparent;display:block}.perf span{color:rgba(255,255,255,.65);font-size:14px}.node-grid{display:grid;grid-template-columns:repeat(4,1fr);gap:16px;margin-top:40px}.node{background:rgba(255,255,255,.05);border:1px solid rgba(255,255,255,.09);border-radius:14px;padding:18px;display:flex;align-items:center;gap:12px;transition:.2s}.node:hover{background:rgba(49,194,124,.14);border-color:rgba(49,194,124,.4)}.node .dot{width:10px;height:10px;border-radius:50%;background:var(--g);box-shadow:0 0 0 4px rgba(49,194,124,.2)}.node .c{font-weight:600;font-size:15px}.node .s{color:rgba(255,255,255,.55);font-size:12px;display:block}
.sc-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.sc{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:30px;transition:.25s}.sc:hover{transform:translateY(-6px);box-shadow:var(--sh)}.sc .ic{font-size:32px}.sc h3{font-size:18px;font-weight:700;margin:14px 0 8px}.sc p{color:var(--ink2);font-size:15px}.tag-row{display:flex;flex-wrap:wrap;gap:14px;justify-content:center;margin-top:44px}.tag{background:var(--card);border:1px solid var(--line);border-radius:999px;padding:12px 24px;font-weight:600;font-size:15px;display:flex;align-items:center;gap:8px;transition:.2s}.tag:hover{border-color:var(--g);color:var(--g);transform:translateY(-3px)}
.price-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px;align-items:stretch}.price{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:34px;transition:.25s;position:relative}.price:hover{transform:translateY(-6px);box-shadow:var(--sh)}.price.hot{border:2px solid var(--g);box-shadow:0 20px 50px rgba(49,194,124,.18);transform:scale(1.03)}.price .badge{position:absolute;top:-14px;left:50%;transform:translateX(-50%);background:var(--gb);color:#fff;font-size:13px;font-weight:700;padding:6px 18px;border-radius:999px}.price .plan{font-size:16px;font-weight:700;color:var(--ink2)}.price .amount{font-size:46px;font-weight:800;margin:14px 0 4px}.price .amount small{font-size:16px;color:var(--mut);font-weight:500}.price .desc{color:var(--mut);font-size:14px;margin-bottom:20px}.price ul{margin:20px 0 26px}.price ul li{display:flex;gap:10px;align-items:flex-start;padding:9px 0;font-size:15px;color:var(--ink2)}.price ul li::before{content:"✓";color:var(--g);font-weight:800}.price .btn{width:100%}
.faq{max-width:860px;margin:48px auto 0}.faq-item{border:1px solid var(--line);border-radius:16px;margin-bottom:14px;overflow:hidden;background:#fff}.faq-q{width:100%;display:flex;align-items:center;justify-content:space-between;padding:20px 24px;font-size:17px;font-weight:700;color:var(--ink);text-align:left}.faq-q .plus{font-size:22px;color:var(--g);transition:.3s}.faq-item.open .plus{transform:rotate(45deg)}.faq-a{max-height:0;overflow:hidden;transition:.3s}.faq-item.open .faq-a{max-height:1000px}.faq-a .inner{padding:0 24px 22px;color:var(--ink2);font-size:15px}.faq-a ol{margin-left:18px}.faq-a ol li{margin:6px 0}
.news-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.news-card{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);overflow:hidden;transition:.25s;display:flex;flex-direction:column}.news-card:hover{transform:translateY(-6px);box-shadow:var(--sh)}.news-card img{width:100%;height:190px;object-fit:cover}.news-card .body{padding:20px;display:flex;flex-direction:column;flex:1}.news-card .meta{font-size:13px;color:var(--mut);display:flex;gap:12px}.news-card h3{font-size:17px;font-weight:700;margin:10px 0;line-height:1.4}.news-card p{color:var(--ink2);font-size:14px;flex:1}.news-card .more{color:var(--g);font-weight:700;font-size:14px;margin-top:14px}
.testi-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.testi{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:28px}.testi .stars{color:#f5a623;font-size:16px;letter-spacing:2px}.testi p{color:var(--ink2);font-size:15px;margin:14px 0 20px}.testi .who{display:flex;align-items:center;gap:12px}.testi .av{width:46px;height:46px;border-radius:50%;background:var(--gb);color:#fff;display:flex;align-items:center;justify-content:center;font-weight:700;font-size:18px}.testi .who b{font-size:15px;display:block}.testi .who span{font-size:13px;color:var(--mut)}
.cta{background:radial-gradient(800px 400px at 50% 0%,rgba(49,194,124,.35),transparent 60%),linear-gradient(160deg,#0b1220,#101d33);color:#fff;text-align:center;padding:90px 0}.cta h2{font-size:42px;font-weight:800;letter-spacing:-1px}.cta p{color:rgba(255,255,255,.7);font-size:17px;margin:16px 0 32px}
.footer{background:#080e1a;color:rgba(255,255,255,.7);padding:64px 0 28px}.footer .cols{display:grid;grid-template-columns:2fr 1fr 1fr 1fr;gap:40px;padding-bottom:40px;border-bottom:1px solid rgba(255,255,255,.08)}.footer h4{color:#fff;font-size:16px;margin-bottom:16px}.footer .brand{font-size:22px;font-weight:800;color:#fff;display:flex;align-items:center;gap:10px;margin-bottom:14px}.footer .brand img{width:34px;height:34px;border-radius:8px}.footer .brand-desc{font-size:14px;max-width:280px}.footer li{margin:10px 0}.footer li a{color:rgba(255,255,255,.65);transition:.2s;font-size:14px}.footer li a:hover{color:var(--g)}.footer .copy{text-align:center;padding-top:24px;font-size:13px;color:rgba(255,255,255,.4)}
.crumb{background:linear-gradient(160deg,#0b1220,#0f1b2e);color:#fff;padding:140px 0 56px}.crumb h1{font-size:40px;font-weight:800}.crumb .path{color:rgba(255,255,255,.6);font-size:14px;margin-top:12px}.crumb .path a{color:var(--g)}
.dl-meta{display:flex;gap:34px;margin-top:40px;flex-wrap:wrap}.dl-meta .m b{font-size:28px;font-weight:800;display:block}.dl-meta .m span{font-size:14px;color:rgba(255,255,255,.65)}.dl-hero{background:radial-gradient(1000px 500px at 80% -10%,rgba(49,194,124,.28),transparent 60%),linear-gradient(160deg,#0b1220,#101d33);color:#fff;padding:150px 0 80px}.dl-hero .container{display:grid;grid-template-columns:1fr 1fr;gap:56px;align-items:center}.dl-hero h1{font-size:44px;font-weight:800}.dl-hero .slogan{color:rgba(255,255,255,.75);font-size:18px;margin:18px 0 30px}
.ver-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:24px;margin-top:48px}.ver{background:var(--card);border:1px solid var(--line);border-radius:22px;padding:30px;transition:.25s}.ver:hover{transform:translateY(-6px);box-shadow:var(--sh)}.ver .v{font-size:22px;font-weight:800}.ver .size{color:var(--mut);font-size:14px;margin:6px 0 16px}.ver ul{margin-bottom:22px}.ver ul li{display:flex;gap:10px;padding:7px 0;font-size:14px;color:var(--ink2)}.ver ul li::before{content:"✓";color:var(--g);font-weight:800}.ver .btn{width:100%}
.req-grid{display:grid;grid-template-columns:repeat(3,1fr);gap:20px;margin-top:48px}.req{background:var(--card);border:1px solid var(--line);border-radius:16px;padding:24px}.req .k{font-size:14px;color:var(--mut);margin-bottom:6px}.req .v{font-size:16px;font-weight:700}
.steps4{display:grid;grid-template-columns:repeat(4,1fr);gap:24px;margin-top:48px}.st4{background:var(--card);border:1px solid var(--line);border-radius:var(--rad);padding:28px;text-align:center;position:relative}.st4 .n{width:44px;height:44px;border-radius:50%;background:var(--gb);color:#fff;font-weight:800;font-size:18px;display:flex;align-items:center;justify-content:center;margin:0 auto 14px}.st4 h3{font-size:17px;font-weight:700}.st4 p{color:var(--ink2);font-size:14px;margin-top:8px}
.article{max-width:820px;margin:0 auto}.article .head{padding:80px 0 0}.article .head h1{font-size:34px;font-weight:800;line-height:1.35}.article .meta{display:flex;gap:16px;color:var(--mut);font-size:14px;margin:16px 0}.article .cover{border-radius:18px;overflow:hidden;margin:24px 0}.article .cover img{width:100%}.article .content{color:var(--ink2);font-size:16.5px}.article .content p{margin:16px 0}.article .content h2{color:var(--ink);font-size:24px;font-weight:700;margin:34px 0 14px}.article .content img{border-radius:14px;margin:22px 0;width:100%}.article .content blockquote{border-left:4px solid var(--g);background:rgba(49,194,124,.06);padding:16px 20px;border-radius:0 12px 12px 0;color:var(--ink);margin:20px 0}.article-nav{display:flex;justify-content:space-between;gap:20px;margin:40px 0;flex-wrap:wrap}.article-nav a{flex:1;min-width:220px;border:1px solid var(--line);border-radius:14px;padding:16px 18px;transition:.2s}.article-nav a:hover{border-color:var(--g)}.article-nav .lbl{font-size:12px;color:var(--mut)}.article-nav .t{font-weight:700;font-size:15px;margin-top:4px}.back-list{display:inline-flex;align-items:center;gap:6px;color:var(--g);font-weight:600;margin-bottom:20px}
.news-list{display:grid;grid-template-columns:repeat(2,1fr);gap:24px;margin-top:48px}.news-row{display:flex;gap:18px;background:#fff;border:1px solid var(--line);border-radius:16px;padding:16px;transition:.2s}.news-row:hover{box-shadow:var(--sh);transform:translateY(-4px)}.news-row img{width:180px;height:120px;border-radius:10px;object-fit:cover}.news-row .info h3{font-size:17px;font-weight:700;line-height:1.4}.news-row .info .meta{font-size:13px;color:var(--mut);margin:6px 0}.news-row .info p{font-size:14px;color:var(--ink2)}
.sitemap{max-width:900px;margin:0 auto}.sitemap h2{font-size:22px;font-weight:700;margin:36px 0 16px;color:var(--ink)}.sitemap .grp{display:grid;grid-template-columns:repeat(2,1fr);gap:12px}.sitemap .grp a{display:block;background:#fff;border:1px solid var(--line);border-radius:12px;padding:14px 18px;font-weight:600;color:var(--ink2);transition:.2s}.sitemap .grp a:hover{border-color:var(--g);color:var(--g)}
.err{min-height:100vh;display:flex;align-items:center;justify-content:center;text-align:center;background:linear-gradient(160deg,#0b1220,#101d33);color:#fff;padding:24px}.err .code{font-size:120px;font-weight:800;line-height:1;background:var(--gb);-webkit-background-clip:text;background-clip:text;color:transparent}.err h1{font-size:28px;margin:16px 0 8px}.err p{color:rgba(255,255,255,.65)}.err .back{margin-top:28px}
.to-top{position:fixed;right:24px;bottom:24px;width:46px;height:46px;border-radius:12px;background:var(--gb);color:#fff;font-size:20px;display:none;align-items:center;justify-content:center;box-shadow:0 10px 24px rgba(49,194,124,.4);z-index:900}
@media(max-width:992px){.nav,.header-actions .btn-ghost{display:none}.burger{display:flex}.header.mobile-open .nav{display:flex;position:absolute;top:72px;left:0;right:0;background:#0b1220;flex-direction:column;padding:12px 20px 20px;box-shadow:0 20px 40px rgba(0,0,0,.3)}.header.mobile-open .nav>li>a{width:100%}.nav>li:hover .drop{display:none}.nav>li.open .drop{display:block;opacity:1;visibility:visible;transform:none;position:static;box-shadow:none;margin:6px 0 6px 8px}.hero .container,.dl-hero .container{grid-template-columns:1fr;gap:40px}.hero h1{font-size:40px}.sec-title{font-size:30px}.steps-grid,.feat-grid,.sc-grid,.price-grid,.news-grid,.testi-grid,.ver-grid,.req-grid,.steps4{grid-template-columns:repeat(2,1fr)}.perf-grid,.node-grid{grid-template-columns:repeat(2,1fr)}.news-list{grid-template-columns:1fr}.footer .cols{grid-template-columns:1fr 1fr}}
@media(max-width:768px){.steps-grid,.feat-grid,.sc-grid,.price-grid,.news-grid,.testi-grid,.ver-grid,.req-grid,.steps4,.perf-grid,.node-grid{grid-template-columns:1fr}.price.hot{transform:none}.hero h1{font-size:34px}.dl-hero h1{font-size:32px}.hero-stats,.dl-meta{gap:22px}.footer .cols{grid-template-columns:1fr}.cta h2{font-size:30px}.sec{padding:64px 0}.news-row{flex-direction:column}.news-row img{width:100%;height:170px}.sitemap .grp{grid-template-columns:1fr}}
@media(max-width:480px){.container{padding:0 18px}.hero{padding:130px 0 64px}.hero h1{font-size:30px}.sec-title{font-size:26px}.btn-lg{width:100%}.hero-cta{flex-direction:column}.mock-player{transform:scale(.95)}}